| ANTIFILIBUSTER | • antifilibuster adj. (US, politics) Opposing or preventing filibuster. • ANTIFILIBUSTER n. a person or method in opposition to filibustering. |
| CENTRIFUGATION | • centrifugation n. The process in which mixtures are separated using the centripetal force generated by spinning in a centrifuge. • CENTRIFUGATION n. separation by centrifuge. |
| COUNTERFACTUAL | • counterfactual adj. Contrary to known or agreed facts; untrue. • counterfactual adj. Of or in comparison to a hypothetical state of the world. • counterfactual n. A claim, hypothesis, or other belief that is contrary to the facts. |
| DISFEATUREMENT | • DISFEATUREMENT n. the act of disfeaturing. |
| FREQUENTATIONS | • frequentations n. Plural of frequentation. • FREQUENTATION n. the act of frequenting. |
| FREQUENTATIVES | • frequentatives n. Plural of frequentative. • FREQUENTATIVE n. a tense of a verb denoting a repeated or recurrent action or state. |
| INFRASTRUCTURE | • infrastructure n. (Systems theory) An underlying base or foundation especially for an organization or system. • infrastructure n. The basic facilities, services and installations needed for the functioning of a community or society. • INFRASTRUCTURE n. the underlying foundation or basic framework (as of a system or organization). |
| PARTURIFACIENT | • parturifacient n. (Medicine) A medicine tending to cause parturition, or to give relief in childbirth. • PARTURIFACIENT n. an oxytocic drug or agent, used to accelerate childbirth by stimulating uterine contractions. |
| SUPERFETATIONS | • superfetations n. Plural of superfetation. • SUPERFETATION n. a second conception when there is already a fetus in the womb, also SUPERFOETATION. |
| SUPERFOETATION | • superfoetation n. Alternative spelling of superfetation. • SUPERFOETATION n. a second conception when there is already a fetus in the womb, also SUPERFETATION. |
| TEMPERAMENTFUL | • TEMPERAMENTFUL adj. full of temperament. |
| ULTRAEFFICIENT | • ultraefficient adj. Extremely efficient; of utmost efficiency. • ULTRAEFFICIENT adj. extremely efficient. |
| ULTRAFILTERING | • ultrafiltering v. Present participle of ultrafilter. • ULTRAFILTER v. to pass through an ultrafilter. |
| UNCERTIFICATED | • uncertificated adj. That has not been subject to certification. • UNCERTIFICATED adj. not certificated. |
| UNFLATTERINGLY | • unflatteringly adv. In such a manner as to be unflattering. • UNFLATTERING adv. not flattering. |
| UNFRACTIONATED | • unfractionated adj. Not fractionated. |
| UNTHRIFTIHEADS | • UNTHRIFTIHEAD n. (archaic) thriftlessness. |
| UNTHRIFTYHEADS | • UNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED. |